1.   Output bright can come to above 80 lumens [lm]
2.   Interner wiring applies the high efficient booster circuit, and can utilize the batteries in the largest extent
3.   Waterproofing design
4.   Aluminum alloy casing
5.   Aluminum  alloy  reflector
Discharging time:   2. 5 Hours
Modle of batteries: 2* "CR123A" batteries
Modle of LED: P2 CREE LED
External Dimension: 28*22*117mm
Net Weight: 61. 8g